/* Yet Another Forum.NET
 * Copyright (C) 2003-2005 Bjørnar Henden
 * Copyright (C) 2006-2013 Jaben Cargman
 * Copyright (C) 2014-2020 Ingo Herbote
 * https://www.yetanotherforum.net/
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at

 * https://www.apache.org/licenses/LICENSE-2.0

 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
namespace YAF.Core.Extensions
{
    #region Using

    using System.Collections.Generic;
    using System.Linq;

    using YAF.Types;
    using YAF.Types.Extensions;
    using YAF.Types.Interfaces;
    using YAF.Types.Interfaces.Tasks;

    #endregion

    /// <summary>
    /// The i have service locator extensions.
    /// </summary>
    public static class IHaveServiceLocatorExtensions
    {
        #region Public Methods

        /// <summary>
        /// The run startup services.
        /// </summary>
        /// <param name="serviceLocator">
        /// The instance that has a service locator.
        /// </param>
        public static void RunStartupServices([NotNull] this IHaveServiceLocator serviceLocator)
        {
            CodeContracts.VerifyNotNull(serviceLocator, "serviceLocator");

            var startupServices = serviceLocator.Get<IEnumerable<IStartupService>>();

            // run critical first...
            startupServices.Where(s => s.HasInterface<ICriticalStartupService>()).OrderByDescending(i => i.Priority)
                .ForEach(service => service.Run());

            // run secondary...
            startupServices.Where(s => !s.HasInterface<ICriticalStartupService>()).OrderByDescending(i => i.Priority)
                .ForEach(service => service.Run());
        }

        /// <summary>
        /// The with parameters.
        /// </summary>
        /// <param name="serviceLocator">
        /// The service locator.
        /// </param>
        /// <param name="parameters">
        /// The parameters.
        /// </param>
        /// <returns>
        /// </returns>
        [NotNull]
        public static IEnumerable<IServiceLocationParameter> WithParameters(
            [NotNull] this IHaveServiceLocator serviceLocator,
            [NotNull] params IServiceLocationParameter[] parameters)
        {
            CodeContracts.VerifyNotNull(serviceLocator, "serviceLocator");
            CodeContracts.VerifyNotNull(parameters, "parameters");

            return parameters;
        }

        #endregion
    }
}